upipe-ts: add AIT support

Author: quarium

include/upipe-ts/Makefile.am

@@ -9,6 +9,8 @@ myinclude_HEADERS = \
 	upipe_ts_encaps.h \
 	upipe_ts_pcr_interpolator.h \
 	upipe_ts_mux.h \
+	upipe_ts_ait_decoder.h \
+	upipe_ts_ait_generator.h \
 	upipe_ts_eit_decoder.h \
 	upipe_ts_nit_decoder.h \
 	upipe_ts_cat_decoder.h \

include/upipe-ts/upipe_ts_ait_decoder.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2024 EasyTools S.A.S.
+ *
+ * Authors: Arnaud de Turckheim
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ */
+
+/** @file
+ * @short Upipe module decoding the application information table of DVB
+ * streams
+ */
+
+#ifndef _UPIPE_TS_UPIPE_TS_AIT_DECODER_H_
+/** @hidden */
+#define _UPIPE_TS_UPIPE_TS_AIT_DECODER_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "upipe/upipe.h"
+#include "upipe-ts/upipe_ts_demux.h"
+
+#define UPIPE_TS_AITD_SIGNATURE UBASE_FOURCC('t','s',0x74,'d')
+
+/** @This returns the management structure for all ts_aitd pipes.
+ *
+ * @return pointer to manager
+ */
+struct upipe_mgr *upipe_ts_aitd_mgr_alloc(void);
+
+#ifdef __cplusplus
+}
+#endif
+#endif

include/upipe-ts/upipe_ts_ait_generator.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2024 EasyTools S.A.S.
+ *
+ * Authors: Arnaud de Turckheim
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ */
+
+/** @file
+ * @short Upipe module generating the application information table of DVB
+ * streams
+ */
+
+#ifndef _UPIPE_TS_UPIPE_TS_AIT_GENRATOR_H_
+/** @hidden */
+#define _UPIPE_TS_UPIPE_TS_AIT_GENRATOR_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "upipe/upipe.h"
+#include "upipe-ts/upipe_ts_demux.h"
+
+#define UPIPE_TS_AITG_SIGNATURE UBASE_FOURCC('t','s',0x74,'g')
+
+/** @This returns the management structure for all ts_aitg pipes.
+ *
+ * @return pointer to manager
+ */
+struct upipe_mgr *upipe_ts_aitg_mgr_alloc(void);
+
+#ifdef __cplusplus
+}
+#endif
+#endif

include/upipe-ts/uref_ts_flow.h

@@ -91,6 +91,11 @@ UREF_ATTR_UNSIGNED(ts_flow, sdt_descriptors, "t.sdt.descs",
 UREF_ATTR_OPAQUE_VA(ts_flow, sdt_descriptor, "t.sdt.desc[%" PRIu64"]",
         SDT descriptor, uint64_t nb, nb)
 UREF_TS_ATTR_DESCRIPTOR(ts_flow, sdt_descriptor)
+UREF_ATTR_UNSIGNED(ts_flow, ait_descriptors, "t.ait.descs",
+        number of AIT descriptors)
+UREF_ATTR_OPAQUE_VA(ts_flow, ait_descriptor, "t.ait.desc[%" PRIu64"]",
+        AIT descriptor, uint64_t nb, nb)
+UREF_TS_ATTR_DESCRIPTOR(ts_flow, ait_descriptor)
 
 /* EIT */
 UREF_ATTR_SMALL_UNSIGNED(ts_flow, last_table_id, "t.lasttid",

lib/upipe-ts/Makefile.am

@@ -5,6 +5,8 @@ noinst_HEADERS = upipe_ts_psi_decoder.h
 libupipe_ts_la_SOURCES = \
 	upipe_ts_check.c \
 	upipe_ts_decaps.c \
+	upipe_ts_ait_decoder.c \
+	upipe_ts_ait_generator.c \
 	upipe_ts_eit_decoder.c \
 	upipe_ts_nit_decoder.c \
 	upipe_ts_cat_decoder.c \